Move and rename Salt page

Explanation: All of our other pages consist of an .md file with
the name (or a suitably similar name) of that page. This commit
renames `configuration/salt/index.md` to `configuration/salt.md`
so that it will follow the organization of the other pages.
This commit is contained in:
Axon 2016-01-28 10:12:57 +00:00
parent b8dd639e75
commit a22db63b3b
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